Round x,y in sendMouseClick

Round x,y coordinates in sendMouseClick so that the caller doesn't need
to take care of rounding.
Signed-off-by: Shannon Chen <shannc@chromium.org>
Bug: None
Change-Id: I0523c6bdb8dea7c77e33285feae4375ea4abd845
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2514741
Commit-Queue: Shannon Chen <shannc@google.com>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823318}

chrome/browser/resources/chromeos/accessibility/common/event_generator.js

@@ -40,6 +40,11 @@ EventGenerator = class {
     }
     EventGenerator.currentlyMidMouseClick = true;
 
+    // chrome.accessibilityPrivate.sendSyntheticMouseEvent only accepts
+    // integers.
+    x = Math.round(x);
+    y = Math.round(y);
+
     let type = chrome.accessibilityPrivate.SyntheticMouseEventType.PRESS;
     chrome.accessibilityPrivate.sendSyntheticMouseEvent({type, x, y});